Cory Booker's decision to testify against Jeff Sessions is a disgraceful breach of custom

I’m very disappointed that Senator Booker has chosen to start his 2020 presidential campaign by testifying against Senator Sessions. This disgraceful breach of custom is especially surprising since Senator Booker just last year said he was “honored to have partnered with Senator Sessions” on a resolution honoring civil-rights marchers. Senator Booker says he feels compelled to speak out because Senator Session wants to keep criminals behind bars, drugs off our streets, and amnesty from becoming law. He’s welcome to oppose these common-sense policies and vote against Senator Sessions’s nomination, but what is so unique about those views to require his extraordinary testimony? Nothing. This hearing simply offers a platform for his presidential aspirations. Senator Booker is better than that, and he knows better.